package com.beust.jcommander;

import com.beust.jcommander.validators.NoValidator;
import com.beust.jcommander.validators.NoValueValidator;

import java.lang.annotation.Retention;
import java.lang.annotation.Target;

import static java.lang.annotation.ElementType.FIELD;

@Retention(java.lang.annotation.RetentionPolicy.RUNTIME)
@Target({FIELD})
public @interface DynamicParameter {
    /**
     * An array of allowed command line parameters (e.g. "-D", "--define", etc...).
     */
    String[] names() default {};

    /**
     * Whether this option is required.
     */
    boolean required() default false;

    /**
     * A description of this option.
     */
    String description() default "";

    /**
     * The key used to find the string in the message bundle.
     */
    String descriptionKey() default "";

    /**
     * If true, this parameter won't appear in the usage().
     */
    boolean hidden() default false;

    /**
     * The validation class to use.
     */
    Class<? extends IParameterValidator> validateWith() default NoValidator.class;

    /**
     * The character(s) used to assign the values.
     */
    String assignment() default "=";

    Class<? extends IValueValidator> validateValueWith() default NoValueValidator.class;
}
